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Work Background
Magaya CorporationSr Xamarin and Maui developer
Aug. 2021 - Jul. 2024United States• Xamarin.Forms development for Flow WMS, enhancing operational efficiency through a modern, user-friendly mobile application integrated seamlessly with the Magaya system.
• Spearheaded the migration to Maui (Multi-platform App UI) for an existing Xamarin.Forms application, optimizing performance and user experience across iOS and Android platforms.
• Implemented custom features and functionalities within Flow WMS using Xamarin.Forms, tailored to meet specific client requirements and improve workflow automation within the logistics and warehouse management domain.
• Collaborated closely with UI/UX designers and product managers to refine user interfaces, ensuring intuitive navigation and accessibility while maintaining consistency with Magaya's branding and design guidelines.
• Provided technical leadership and mentorship to junior developers, fostering a collaborative environment and contributing to the continuous improvement of development practices within the team.
YPrimeMobile Engineer
May. 2020 - Dec. 2020• Developed a robust YPBYOD application using Xamarin Native for iOS and Android, enabling efficient data collection for clinical studies involving subjects and caregivers.
• Designed and implemented user-friendly interfaces to ensure seamless interaction and ease of use for participants in clinical trials, enhancing data accuracy and user engagement.
• Integrated secure data storage and transmission protocols, ensuring the confidentiality and integrity of sensitive clinical study results in compliance with industry regulations.
• Collaborated with cross-functional teams, including clinical researchers and IT specialists, to gather requirements, provide technical insights, and ensure the application met all functional and compliance standards.
• Performed rigorous testing and debugging on both iOS and Android platforms, ensuring the application's reliability, stability, and performance in diverse operating environments.
Proto-brzSr Xamarin.Forms Developer
Jan. 2020 - Apr. 2020• Developed the Frebo application using Xamarin.Forms, enabling seamless cross-platform functionality for sharing and tracking books within a community.
• Implemented user-friendly interfaces in Xamarin.iOS, enhancing the user experience for iOS users by providing intuitive navigation and interactive features for book sharing.
• Optimized the Frebo app for Android devices using Xamarin.Android, ensuring smooth performance and compatibility across a wide range of Android smartphones and tablets.
• Integrated robust tracking features to allow community members to easily monitor book exchanges, borrowing history, and availability, fostering a more organized and connected community.
• Collaborated with a multidisciplinary team to gather user feedback and continuously improve the app's functionality and usability, ensuring that it met the needs and expectations of its user base.
BIS S.A.Senior Xamarin.Forms
Jun. 2018 - Jan. 2020• Developed the Mercaderistas application using Xamarin.Forms, providing a robust solution for product reviewers in supermarkets to efficiently track and manage products from various providers on both iOS and Android platforms.
• Implemented cross-platform functionality in the Mercaderistas app with Xamarin.Forms, ensuring seamless user experiences and consistent performance across both iOS and Android devices.
• Optimized application performance and user interface in the Mercaderistas app, leveraging Xamarin.iOS and Xamarin.Android to create a responsive and user-friendly experience for supermarket product reviewers.
• Integrated data synchronization features in the Mercaderistas app, allowing users to update and access real-time product information from multiple providers, improving accuracy and efficiency in product reviews.
• Conducted thorough testing and debugging of the Mercaderistas app on both iOS and Android platforms, ensuring high-quality performance and reliability in diverse supermarket environments.
• Developed the Factur-e application using Xamarin.Forms for both iOS and Android platforms, enabling users to send electronic bills to "Hacienda" for efficient tax management.
• Implemented comprehensive tax reporting features within the Factur-e app, catering to the needs of small to medium-sized companies by simplifying their tax submission processes.
• Ensured seamless integration with Hacienda's electronic billing system, guaranteeing accurate and timely submission of electronic bills and tax reports.
• Optimized the user interface and experience for the Factur-e app, making it intuitive and user-friendly for business owners to manage their tax obligations effectively.
• Conducted thorough testing and debugging of the Factur-e application, ensuring robust performance and reliability across both iOS and Android devices.
InteliSoft SolutionsFREELANCER ON UPWORK
Feb. 2015 - Aug. 2021• Developed a Xamarin.Forms application for Tributación Directa and Factura Electrónica, enabling users to handle electronic invoicing and direct taxation efficiently on mobile platforms.
• Created the UberWash app using Xamarin.Forms, a mobile application designed to schedule car washes, emulating the functionality and user experience of Uber, enhancing customer convenience and service efficiency.
• Built a Star Wars fan information app with Xamarin.Forms, providing comprehensive and engaging content about Star Wars to fans, ensuring a seamless user experience across different devices.
• Developed a native iOS application for INSURANCE Costa Rica using XCode and Swift, offering critical services to clients in emergency situations, such as car accidents, by facilitating ambulance and tow truck dispatch.
• Implemented chat-based iOS applications for Zermat and Teledolar using XCode and Swift, leveraging Telegram Open Source to provide real-time information and support to users and sellers, enhancing communication and service delivery.
Number8Developer Senior
Feb. 2014 - Feb. 2020CONTRACTOR ON PRACTICE LAW INSTITUTE OF NEW YORK | 02/2014 - 02/2020 Practice Law Institute of New York • Developed and implemented complex business logic for university-related systems, ensuring seamless integration and functionality across multiple software platforms.
• Resolved maintenance tickets for various .NET-based applications, providing timely and effective solutions to enhance software performance and user satisfaction.
• Collaborated with cross-functional teams to analyze and address software issues, ensuring robust and efficient system operations.
• Optimized existing .NET applications, improving code quality, performance, and scalability to meet the evolving needs of the institution.
• Provided technical support and guidance, assisting in troubleshooting and resolving complex technical problems related to university systems and applications.
Jiffy Software SolutionsMobile Developer
Feb. 2014 - Jul. 2014• Led maintenance and updates for Filmtastic, an XCode iOS application compatible with iPhone and iPad, specializing in social networking. Enhanced user experience by optimizing photo, audio, and video sharing functionalities.
• Implemented Facebook AudioTool framework integration into Filmtastic, enabling seamless audio editing and sharing capabilities within the app. This enhancement boosted user engagement and interaction levels significantly.
• Designed and developed new features for Filmtastic, focusing on improving UI/UX elements to ensure a more intuitive and enjoyable user experience. Collaborated closely with UX/UI designers to implement sleek and user-friendly interfaces.
• Conducted performance optimizations and bug fixes for Filmtastic, addressing critical issues and ensuring the application's stability and reliability across iOS devices. Utilized debugging tools and agile methodologies to streamline development processes.
• Provided technical support and guidance to junior developers and team members, facilitating knowledge sharing and ensuring adherence to best practices in iOS development. Participated in code reviews and contributed to continuous improvement initiatives within the development team.
Price Waterhouse Coopers- PwCSr Mobile Developer
Jan. 2014 - Feb. 2015Mexico• Developed iOS applications for iPhone and iPad using XCode and Native Swift, focusing on displaying and consulting various Mexican tax laws, ensuring accessibility and ease of use for users.
• Implemented complex logic to download and update tax laws, ensuring that users always have access to the most current legal information, enhancing compliance and legal accuracy.
• Optimized application performance to handle large datasets of tax regulations, providing a seamless and responsive user experience even with extensive legal content.
• Integrated robust data synchronization features, ensuring that tax laws were consistently and accurately updated across all devices, minimizing the risk of outdated information.
• Collaborated with legal experts and stakeholders to accurately interpret and represent Mexican tax laws within the application, ensuring the content was both comprehensive and user-friendly.
ElanceFREELANCER ON ELANCE, ODESK AND FRELANCER ON IOS DEVELOPMENT
Jun. 2012 - Feb. 2014• Application Cooking Plan it, iOS (Jul 2013 to Feb 2014) Implemented version 2.0 of the Cooking Plan it app for iOS, supporting both iPhone and iPad with distinct designs optimized for each device.
• IBirds Journal, Xamarin.Forms (Jul 2013 to Nov 2018)Addressed and resolved minor issues related to data conversion, ensuring smooth functionality of the iBirds Journal app on iOS.
• Filmtastic, iOS (Mar 2013 to Ag 2013)Architected a 3-layered structure (UI, Business Logic, Core Data) from scratch for the Filmtastic app, optimizing performance and maintainability.
Integrated login capabilities via Restful services, supporting regular login and authentication through Facebook and Twitter, enhancing user convenience and social interaction within the app.
• Pushwood Skate Park Locator, iOS Development iPhone (Feb 2013 to August 2013)Implemented Core Data for data storage and retrieval, enabling efficient management of skate park location information within the app.
Utilized JSON and Restful services for real-time updates and location data, enhancing the app's functionality and user experience.
Integrated Google Maps API to facilitate easy navigation and location tracking for skate park enthusiasts worldwide.
• RPE Mobile, iOS Development iPhone (Jun 2012 to Feb 2013)Supported Core Data integration for seamless data management within the RPE Mobile app, crucial for handling restaurant orders and transactions.
Implemented Restful services in ASP.NET to communicate between the iOS app and the POS system, ensuring accurate order processing and synchronization.
Contributed to server maintenance and API enhancements, optimizing performance and reliability of the restaurant management system.
GovansoftDeveloper
Nov. 2008 - May. 2009Nov 2008 - May 2009 from home Govansoft (VS-2008, C#, SQL 2008, Reporting Services 2008, AJAX, Framework 3.5)
nVision, LLCSenior Developer
May. 2008 - Jun. 2010Senior Developer (VS2008, VS2005, ASP.NET, AJAX, Windows Application, C#, Reporting Services, SQL 2005, SQL 2008).
○ Developed a system to manage the inventory of an air conditioner company, the project was entirely accepted by the customer and finished having really positive feedback. ○ Worked in an application for Anheuser Bush related to manage and control the inventory.
○ Implanted of coding standards and development guidelines for all other developers.
○ Developed an internal framework to use with all other nVision applications.
○ Designed the architecture for all company applications.
○ Designed the front end of a Data Entry application and part of the business logic.
Fiserv CBS Costa RicaVS.NET Developer
Feb. 2005 - May. 2008ASP.NET, C #, SQL, Reporting Services, XML
FiservSenior Developer
Feb. 2005 - May. 2008○ Worked in a ASP.NET application accessed by bank of America customers to access their bank accounts and do different bank transactions like wire transfers or account statements.
○ Worked in a bank teller application accessed by the bank teller to make the requested transactions by the bank customers.
ProyecticaDeveloper
Feb. 2004 - May. 2008Costa Rica.NET Developer (ASP.NET, Rich App, VB.NET, UML, XML)
Zona Franca MetropolitanaDeveloper
Jan. 2003 - Feb. 2004, .NET Developer (ASP.NET, VB.NET, IT Manager, Solaris, Apache, SMB)
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